<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
    <div id="aa" class="demo1">
        {{message}}
    </div>
    <!-- 开发环境版本，包含了有帮助的命令行警告 -->
    <script src="js/vue.global.js"></script>
    <script>
        const app = {
            data() {
                return {
                    message: 'Hello Vue!'
                }
            }
        }
        Vue.createApp(app).mount('#aa')
    </script>
    
</body>
</html>